the east coast tonight. in massachusetts, all vehicles were ordered off the roads at 4:00 p.m. this afternoon. that's across the entire state of massachusetts. genuine blizzard warnings are posted across a big area. this is the northern shore of massachusetts, just outside of boston, revere beach, where the winds have already picked up. we could see some history-making snowfall out of this storm. we've already seen a colossal stoppage of transportation, affecting 50 million americans before it's all over. while all this has been going on, on the other coast, we have a huge story, of course, that we've been following. more on that in a moment. but first, what could be a 30-inch snow event here on the east coast. our team is out in it, and in place tonight, we want to begin with nbc's ron mott. he's in providence, rhode island. ron, good evening. >> reporter: hey, brian, good evening to you. long before the teeth of this storm fully clamps down on new england later tonight, its bite was being felt and the discomfort, well, it spread all over. a 19-vehicle pileup this morning i